In what way Kf and Kb are similar and in what way they are different?

Smoke and fog both are aerosols. In what way are they different?

Out of the four words given below, three words are similar in some way while one is different. Pick the dissimilar word.

Three of the following four options are similar in a certain way and one is different. Find the one that is different

In what way is Iswaran an asset to Mahendra?

In what ways do the inorganic wastes enter water?